PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ ST_Node()

Datum ST_Node ( PG_FUNCTION_ARGS  )

Definition at line 3461 of file postgis/lwgeom_geos.c.

References geometry_serialize(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_node(), PG_FUNCTION_INFO_V1(), and ST_Voronoi().

Referenced by ST_SharedPaths().

3462 {
3463  GSERIALIZED *geom1, *out;
3464  LWGEOM *g1, *lwgeom_out;
3465 
3466  geom1 = PG_GETARG_GSERIALIZED_P(0);
3467 
3468  g1 = lwgeom_from_gserialized(geom1);
3469 
3470  lwgeom_out = lwgeom_node(g1);
3471  lwgeom_free(g1);
3472 
3473  if ( ! lwgeom_out )
3474  {
3475  PG_FREE_IF_COPY(geom1, 0);
3476  PG_RETURN_NULL();
3477  }
3478 
3479  out = geometry_serialize(lwgeom_out);
3480  lwgeom_free(lwgeom_out);
3481 
3482  PG_FREE_IF_COPY(geom1, 0);
3483  PG_RETURN_POINTER(out);
3484 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
LWGEOM * lwgeom_node(const LWGEOM *lwgeom_in)
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
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